Samsung's Gear S2 is a Tizen-based that sports a 1.2" 360x360 (302 PPI) circular Super AMOLED display. Other features include a dual-core 1 Ghz CPU, 4GB of internal memory, several sensor and a 250 mAh battery (300 mAh on the 3G model). The Gear S2 is offered in two models, the regular and the "classic" which has a black finish and is smaller and lighter.

Samsung Gear S2 photo

The Gear S2 is now shipping for $299 (black or silver) or $349 (classic).

OLED type: 

1.2" 360x360 circular Super AMOLED

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters